JPH0548656A - Common selection system for line of isdn and packet relay line - Google Patents
Common selection system for line of isdn and packet relay lineInfo
- Publication number
- JPH0548656A JPH0548656A JP22371691A JP22371691A JPH0548656A JP H0548656 A JPH0548656 A JP H0548656A JP 22371691 A JP22371691 A JP 22371691A JP 22371691 A JP22371691 A JP 22371691A JP H0548656 A JPH0548656 A JP H0548656A
- Authority
- JP
- Japan
- Prior art keywords
- line
- exchange
- switching
- packet
- isdn
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000004913 activation Effects 0.000 claims description 4
- 238000010187 selection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011181 container closure integrity test Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明はＩＳＤＮ交換方式に関
し、特に回線交換およびパケット交換における回線の選
択方式に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ISDN switching system, and more particularly to a circuit selecting system in circuit switching and packet switching.
【０００２】[0002]
【従来の技術】従来、ＩＳＤＮ−ＬＳ交換局において
は、回線交換中継交換局とパケット交換中継交換局まで
の各々の回線群を別々に管理し、ＩＳＤＮ加入者からの
回線交換サービスとパケット交換サービスのそれぞれの
要求に従って、ＩＳＤＮ−ＬＳ交換局において各々の中
継交換局への分離された回線群を選択していた。すなわ
ち、回線交換は、共通線方式であるところのＣＣＩＴ
Ｔ、Ｎｏ.７ 方式で、パケット交換はＣＣＩＴＴのＸ．
２５方式によって、新たな回線を設定し呼制御を実行す
る方式であった。2. Description of the Related Art Conventionally, in an ISDN-LS switching center, each circuit group up to a circuit switching relay switching center and a packet switching relay switching center is managed separately, and a circuit switching service and a packet switching service from ISDN subscribers are managed. The ISDN-LS switching center selects a separate line group to each relay switching center in accordance with the respective requirements of the above. That is, the circuit switching is CCIT which is a common line system.
T. No. 7 method, packet switching is performed by CCITT X.
In the 25 system, a new line is set up and call control is executed.
【０００３】[0003]
【発明が解決しようとする課題】この従来のＩＳＤＮ交
換方式ではＩＳＤＮ−ＬＳ交換局から中継交換局までの
回線群が分離されることにより分割損が生じるという問
題点があった。The conventional ISDN exchange system has a problem that division loss occurs due to the separation of the line group from the ISDN-LS exchange station to the relay exchange station.
【０００４】[0004]
【課題を解決するための手段】本発明に係るＩＳＤＮに
おける回線、パケット中継線の共通選択方式は、ＩＳＤ
Ｎ−ＬＳ交換局にはパケットサービスの要求により中継
交換局との間に新たな回線が必要になった場合、既存の
Ｎｏ.７ プロトコルのＩＳＵＰの着アドレスに回線交換
およびパケット交換での番号計画に矛盾を生じさせない
特殊番号を設定し、中継交換局へ起動信号を転送する第
１手段を設け、回線交換中継交換局にはこのＩＳＤＮ−
ＬＳ交換局から送られてきた起動信号を受信したのち、
着アドレスからパケット交換サービスの要求と判断し、
パケット交換中継交換局向けの回線群から空き回線を捕
捉し、この回線交換中継交換局からの入り回線とこの捕
捉回線とのパスを張る第２手段とを設けている。A common selection method of a line and a packet relay line in ISDN according to the present invention is ISD.
If a new line is required between the N-LS switching center and the relay switching center due to a packet service request, the numbering plan for circuit switching and packet switching will be added to the destination address of the existing No. 7 protocol ISUP. Is provided with a special number which does not cause a contradiction, and a first means for transferring a start signal to the transit exchange is provided.
After receiving the activation signal sent from the LS exchange,
Judging from the destination address as a request for packet switching service,
There is provided a second means for capturing an empty line from the line group for the packet switching relay switching center and establishing a path between the incoming line from this circuit switching relay switching center and this capturing line.
【０００５】[0005]
【作用】本発明はＩＳＤＮ−ＬＳ局と中継交換局との回
線が、回線交換とパケット交換で同一回線群内に収容す
ることができる。According to the present invention, the lines of the ISDN-LS station and the relay exchange can be accommodated in the same line group by the line exchange and the packet exchange.
【０００６】[0006]
【実施例】図１は本発明に係るＩＳＤＮにおける回線、
パケット中継線の共通選択方式の一実施例を示すブロッ
ク図であり、特にＩＳＤＮ−ＬＳ中継局と中継交換局の
ネットワーク構成を示す図である。同図において、１は
ＩＳＤＮ端末、２はパケットサービスの要求により中継
交換局との間に新たな回線が必要になった場合、既存の
Ｎｏ.７ プロトコルのＩＳＵＰの着アドレスに回線交換
およびパケット交換での番号計画に矛盾を生じさせない
特殊番号例えば「１９９」を設定し、中継交換局へ起動
信号を転送する第１手段を備えたＩＳＤＮ−ＬＳ交換
局、３はこのＩＳＤＮ−ＬＳ交換局２から転送されてき
た起動信号を受信したのち、着アドレスからパケット交
換サービスの要求と判断し、パケット中継交換局向けの
回線群から空き回線を捕捉し、回線交換中継交換局から
の入り回線とこの捕捉回線とのパスを張る第２手段を備
えた回線交換中継交換局、４はパケット交換中継交換局
である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT FIG. 1 shows a circuit in ISDN according to the present invention.
FIG. 3 is a block diagram showing an example of a common selection system of packet relay lines, and particularly a diagram showing a network configuration of an ISDN-LS relay station and a relay exchange station. In the figure, 1 is an ISDN terminal, and 2 is a packet service. When a new line is required between the relay switching center and the relay switching center, circuit switching and packet switching are performed for the existing ISUP destination address of No. 7 protocol. In the ISDN-LS switching center 2, a special number which does not cause a contradiction in the numbering plan in the above is set, for example, "199", and the ISDN-LS switching center is provided with the first means for transferring the start signal to the relay switching center. After receiving the transferred start signal, it is judged from the destination address that it is a request for a packet switching service, and a free line is captured from the line group for the packet relay switching center, and an incoming line from the circuit switching relay switching center and this capture A circuit switching relay switching center 4 provided with a second means for establishing a path with a line is a packet switching relay switching center.
【０００７】なお、図２はＩＳＤＮ−ＬＳ交換局２のソ
フトウェア論理を示す図であり、図３は回線交換中継交
換局３のソフトウェア論理を示す図である。FIG. 2 is a diagram showing the software logic of the ISDN-LS switching center 2 and FIG. 3 is a diagram showing the software logic of the circuit switching relay switching center 3.
【０００８】次に、上記構成によるＩＳＤＮにおける回
線、パケット中継線の共通選択方式の動作について図２
および図３を参照して説明する。まず、ＩＳＤＮ端末１
からパケットサービスの要求があると、ＩＳＤＮ−ＬＳ
交換局２は図２に示すように、ステップＳ1 で、パケッ
トサービス要求の呼であることを識別すると、ステップ
Ｓ2 で、回線交換中継交換局３への新たな回線を捕捉す
る。そして、ステップＳ3 で、ＩＳＵＰプロトコルの起
動信号の着アドレスへの特殊番号「１９９」を設定す
る。そして、ステップＳ4 で、起動信号の回線交換中継
交換局３へ転送する。Next, the operation of the common selection system of the line and the packet relay line in the ISDN having the above configuration will be described with reference to FIG.
And it demonstrates with reference to FIG. First, the ISDN terminal 1
When a packet service is requested by ISDN-LS
As shown in FIG. 2, when the switching center 2 identifies in step S 1 that the call is a packet service request call, it acquires a new line to the circuit switching relay switching center 3 in step S 2 . Then, in step S 3, sets the special number "199" to the destination address of the start signal ISUP protocol. Then, in step S 4 , the start signal is transferred to the circuit switching relay switching center 3.
【０００９】次に、回線交換中継交換局３は図３に示す
ように、ステップＳ6 で、この起動信号を受信すると、
ステップＳ7 で、ＩＳＵＰプロトコルの起動信号の着ア
ドレスの特殊番号「１９９」からパケットサービス要求
であることを識別する。そして、ステップＳ8 で、パケ
ット交換中継交換局４向けの新たな回線を捕捉する。そ
して、ステップＳ9 で、ＩＳＤＮ−ＬＳ交換局２からの
入り回線とステップＳ8 で捕捉した回線を自ネットワー
クで接続する。そして、回線交換中継交換局３はパケッ
トサービス呼に関して、トランスペアレントとなって、
ＩＳＤＮ−ＬＳ交換局２とパケット交換中継交換局４と
の間で通常のプロトコルで、パケットサービスを実施す
ることができる。Next, as shown in FIG. 3, when the circuit switching relay switching center 3 receives this activation signal in step S 6 ,
In step S 7, identifies that a packet service request from the special number "199" of the destination address of the start signal ISUP protocol. Then, in step S 8 , a new line for the packet switching relay switching center 4 is captured. Then, in step S 9, the line is connected, captured in the line and step S 8 enters from ISDN-LS exchange 2 in its own network. Then, the circuit switching relay switching center 3 becomes transparent with respect to the packet service call,
A packet service can be implemented between the ISDN-LS switching center 2 and the packet switching relay switching center 4 by a normal protocol.
【００１０】[0010]
【発明の効果】以上、詳細に説明したように、本発明に
係るＩＳＤＮにおける回線、パケット中継線の共通選択
方式によれば、ＩＳＤＮ−ＬＳ局と中継交換局との回線
を同一回線群内に収容できるので分割損をなくすことが
でき、特にＩＳＤＮ−ＬＳ交換局と中継交換局が遠距離
にあるとき、伝送路の設備低減となるなどの効果があ
る。As described above in detail, according to the common selection system of the line and the packet relay line in the ISDN according to the present invention, the lines of the ISDN-LS station and the relay exchange station are provided in the same line group. Since it can be accommodated, the division loss can be eliminated, and especially when the ISDN-LS switching center and the relay switching center are in a long distance, there is an effect that the equipment of the transmission line is reduced.
【図１】本発明に係るＩＳＤＮにおける回線、パケット
中継線の共通選択方式の一実施例を示すブロック図であ
る。FIG. 1 is a block diagram showing an embodiment of a common selection system of a line and a packet relay line in ISDN according to the present invention.
【図２】図１におけるＩＳＤＮ−ＬＳ交換局のソフトウ
ェア論理を示す図である。2 is a diagram showing the software logic of the ISDN-LS switching center in FIG. 1. FIG.
【図３】図１における回線交換中継交換局のソフトウェ
ア論理を示す図である。FIG. 3 is a diagram showing software logic of the circuit switching relay exchange in FIG.
１ ＩＳＤＮ端末 ２ ＩＳＤＮ−ＬＳ交換局 ３ 回線交換中継交換局 ４ パケット交換中継交換局 1 ISDN terminal 2 ISDN-LS switching center 3 Circuit switching relay switching center 4 Packet switching relay switching center
Claims (1)
およびパケット交換サービスの要求に対し、ＩＳＤＮ−
ＬＳ交換局から回線交換中継交換局、この回線交換中継
交換局に接続するパケット交換中継交換局により交換サ
ービスを行う交換システムにおいて、 前記ＩＳＤＮ−ＬＳ交換局は回線交換サービス要求、パ
ケット交換サービス要求ともに同一の回線群を選択する
ため、パケット交換サービス要求に対してはＮｏ.７ プ
ロトコルのＩＳＵＰの着アドレスに特殊番号を設定し、
回線交換中継交換局へ起動信号を転送する第１手段を有
し、前記回線交換中継交換局はこのＩＳＤＮ−ＬＳ交換
局から送られてきた起動信号を受信したのち、着アドレ
スの特殊番号からパケット交換サービスの要求と判断
し、パケット中継交換局向けの回線群から空き回線を捕
捉し、入り回線とこの捕捉回線を自ネットワークで接続
する第２手段を有することを特徴とするＩＳＤＮにおけ
る回線、パケット中継線の共通選択方式。1. An ISDN-in response to a request for a circuit switching service and a packet switching service from an ISDN subscriber.
In a switching system in which a switching service is provided from an LS switching center to a circuit switching relay switching center, and a packet switching relay switching center connected to this circuit switching relay switching center, the ISDN-LS switching center transmits both the circuit switching service request and the packet switching service request. Since the same line group is selected, a special number is set to the destination address of the ISUP of No. 7 protocol for the packet switching service request,
The circuit switching relay switching center has a first means for transferring the activation signal to the circuit switching relay switching center, and the circuit switching relay switching center receives the activation signal sent from the ISDN-LS switching center, and then the packet from the special number of the destination address. A line or packet in ISDN characterized by having a second means for judging an open service from a line group for a packet relay exchange and judging the request for a switching service, and connecting the incoming line and this captured line by the own network. Common selection method for trunk lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22371691A JPH0548656A (en) | 1991-08-09 | 1991-08-09 | Common selection system for line of isdn and packet relay line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22371691A JPH0548656A (en) | 1991-08-09 | 1991-08-09 | Common selection system for line of isdn and packet relay line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0548656A true JPH0548656A (en) | 1993-02-26 |
Family
ID=16802554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22371691A Pending JPH0548656A (en) | 1991-08-09 | 1991-08-09 | Common selection system for line of isdn and packet relay line |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0548656A (en) |
-
1991
- 1991-08-09 JP JP22371691A patent/JPH0548656A/en active Pending
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